Study of Different Forms of Danicopan (Tablet, Softgel Capsule, Liquid-filled Capsule) in Healthy Participants

Key Inclusion Criteria: * Healthy was defined as having no clinically relevant abnormalities identified by a detailed medical history, physical examination, blood pressure and heart rate measurements, 12-lead electrocardiogram, and clinical laboratory tests. * Had a body mass index of 18 to 30 kilograms(kg)/meter squared with a minimum body weight of 50 kg. Key Exclusion Criteria: * History or clinically relevant evidence of significant cardiovascular, pulmonary, hepatic, renal, hematological, gastrointestinal, endocrine, immunologic, dermatologic, neurological, or psychiatric disease. * History of procedures that could alter absorption of orally administered drugs. * Body temperature ≥ 38°Celsius on Day -1 or Day 1 predose; history of febrile illness within 7 days prior to study drug administration. * Positive alcohol and/or drug screen at Screening or Day -1; current tobacco/nicotine user. * Participation in a clinical study within 30 days prior to study drug administration. * Clinically significant laboratory abnormalities at Screening or Day -1.